A mapping table between cluster and program by which programs can reserve housing clusters so that other programs and rentals can't access the houses in those clusters. Or at least, they won't be offered them. A lodging FORCE or a Block can always get at them.
Table: program_cluster
- cluster_id
- foreign key to cluster
- program_id
- foreign key to program
- seq
- obsolete? I don't see it used anywhere.
Relations